PWM - Pulse Width Modulation (Basics, Circuit, Working, & Waveforms) Explained

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  • เผยแพร่เมื่อ 20 ส.ค. 2024
  • PWM - Pulse Width Modulation is explained by the following outlines:
    0. PWM - Pulse Width Modulation
    1. Basics of PWM - Pulse Width Modulation
    2. Circuit of PWM - Pulse Width Modulation
    3. Working of PWM - Pulse Width Modulation
    4. Waveforms of PWM - Pulse Width Modulation
    Chapter-wise detailed Syllabus of the Digital Communication Course is as follows:
    Chapter-1 Basics of Digital Communication System: • Introduction to Digita...
    Block Diagram of Digital communication system, Advantages, and disadvantages of digital communication system, Scrambling, Regenerative Repeater, Eye Diagram, Attention of signal, Bit rate and Baud rate.
    Chapter-2 Digital Modulation Techniques: • Digital Modulation Tec...
    Amplitude Shift Keying ASK, Frequency Shift Keying FSK, Phase Shift Keying PSK, Differential Phase Shift keying DPSK, Quadrature Phase Shift Keying QPSK, Binary Phase Shift Keying BPSK, M array Frequency Shift Keying MFSK, Quadrature Amplitude Modulation QAM, Comparison of QAM and PSK.
    Chapter-3 Pulse Digital Modulation: • Pulse Digital Modulation
    Sampling, Aliasing, Nyquist rate, Types of sampling, Performance comparison of sampling, PWM - Pulse width modulation, PPM - Pulse Position modulation, Performance comparison of PAM, PWM and PPM, Quantization and its parameters, SNR of Quantization, Uniform Quantization, Pulse Code Modulation PCM, Nonuniform Quantization, Companding basics, A law and Mu law for Nonuniform quantization, Differential Pulse Code Modulation DPCM, Delta Modulation DM, Adaptive Delta Modulation ADM.
    Chapter-4 Multiple Access Techniques: • Multiple Access Techni...
    Examples on TDM, Examples on T1 carrier system.
    Chapter-5 Line Coding Techniques: • Line Coding Techniques
    Basic of Line Coding Techniques, Pulse shaping techniques, NRZ, RZ & Manchester coding, PSD of NRZ unipolar line coding scheme, PSD of NRZ polar line coding scheme, PSD of NRZ bipolar line coding scheme, PSD of Manchester polar line coding scheme, Comparison of Unipolar, Polar, Bipolar and Manchester Line coding scheme.
    Chapter-6 Information theory: • Information Theory
    Basics of Information, Basics of Entropy, Shannon Fano Encoding, Huffman Coding, Lempel Ziv Coding, Shannon Hartley theorem, basics of probability, Random variables, Cumulative distribution function CDF, Probability Density function PDF.
    Chapter-7 Error detection and error correction codes: • Error Detection and Er...
    Block Codes, Hamming Codes, Linear Block Codes, Cyclic Codes, Convolutional Codes, Code Trellis, Viterbi Algorithm, Block Codes for single parity checks, Block Codes for product codes, Block Codes for Repetition codes, Cyclic codes for a systematic codeword, Cyclic codes for nonsystematic codeword.
    Chapter-8 Spread Spectrum Modulation: • Spread Spectrum Modula...
    Basics of Spread Spectrum Modulation, Frequency Hoping Spread Spectrum FHSS, Direct Sequence Spread Spectrum DSSS.
    Engineering Funda channel is all about Engineering, Technology, and Science. This video is a part of Digital communication.
    #PulseWidthModulation #PWM #DigitalCommunication

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  • @VLove2Learn
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    Thankyou so much for these amazing lectures.... I literally missed these wonderful videos for these many days...

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  • @bsvshashanka6055
    @bsvshashanka6055 ปีที่แล้ว +3

    Thank you very much sir, for these amazing videos..

    • @EngineeringFunda
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    @satyanshrai8124 4 ปีที่แล้ว +4

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    • @EngineeringFunda
      @EngineeringFunda  4 ปีที่แล้ว +6

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    @ashwinnair2325 4 ปีที่แล้ว +3

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    • @EngineeringFunda
      @EngineeringFunda  4 ปีที่แล้ว +1

      Your positive comments motivates me, Thanks and welcome 🙏

  • @kloke1111
    @kloke1111 ปีที่แล้ว +1

    thanks a lot sir

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  • @sudheerkumar5966
    @sudheerkumar5966 ปีที่แล้ว +1

    Very good sir

    • @EngineeringFunda
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  • @rohithtammisetty3458
    @rohithtammisetty3458 5 ปีที่แล้ว +6

    Sir please explain also about demodulation of PPM and PWM .

  • @ozonewagle
    @ozonewagle ปีที่แล้ว +1

    thank you so much dear sir.

    • @EngineeringFunda
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  • @UECAshutoshKumar
    @UECAshutoshKumar 10 หลายเดือนก่อน +2

    Thank you sir 😊

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  • @kudipudipraneeth8237
    @kudipudipraneeth8237 ปีที่แล้ว

    From JNTU student ;
    Sir , could you explain demodulation process of pwm
    And i am really thankful to you for making videos ❤❤❤

  • @shivam_08gamer
    @shivam_08gamer 2 ปีที่แล้ว +1

    Thanks sir i got it now 👍

    • @EngineeringFunda
      @EngineeringFunda  2 ปีที่แล้ว

      Your positive comments motivates me.
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      Love from you guys means a lot to me.
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    @dhivyarj9639 4 ปีที่แล้ว +2

    Thankyou so much sir

  • @OmPrakashGupta-ft5bk
    @OmPrakashGupta-ft5bk 4 ปีที่แล้ว +2

    Please make a video on basics of PAM, PWM, PPM not only on circuit explanation..

  • @masterrahulverma4812
    @masterrahulverma4812 3 ปีที่แล้ว +1

    Thanku respected sir 🙏

    • @EngineeringFunda
      @EngineeringFunda  3 ปีที่แล้ว

      Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.

  • @vineethr6998
    @vineethr6998 4 ปีที่แล้ว +3

    Please do video about pwm generation using emmittercoupled monostable multivibrator...

    • @HITESHTHAKOR-js2dh
      @HITESHTHAKOR-js2dh 3 ปีที่แล้ว

      Hey hamara project hai design and simulation pwm controlled rectifier ku6 helo milegi?... Plz

  • @EstherRani2191
    @EstherRani2191 5 ปีที่แล้ว +1

    Very nice

  • @ashutoshmishra7034
    @ashutoshmishra7034 2 ปีที่แล้ว +1

    Thank you sir

    • @EngineeringFunda
      @EngineeringFunda  2 ปีที่แล้ว

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  • @sahanpweragoda
    @sahanpweragoda ปีที่แล้ว

    Amazing

    • @EngineeringFunda
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  • @eduinTamil
    @eduinTamil 6 ปีที่แล้ว +1

    Super

  • @brenquejada4853
    @brenquejada4853 3 ปีที่แล้ว +1

    How does pwm difffer from fsk? Im a bit confused by those two..

  • @user-vj5wd6wq1v
    @user-vj5wd6wq1v 4 ปีที่แล้ว +1

    What does synchronous PWM mean?
    What are the consequences of not having does synchronous PWM

  • @suhebasheikh1819
    @suhebasheikh1819 ปีที่แล้ว +1

    Sir is it the answer of....using pure sinewave modulating signal, Illustrate graphically the modulated pulse in case of PWM

  • @randomstuff8286
    @randomstuff8286 4 ปีที่แล้ว

    I'm using flysky fsi6 pwm transmitter planning to buy a mirco receiver but I'm confused between ppm and pwm

  • @importantTut
    @importantTut 5 ปีที่แล้ว

    Thank You

  • @Anandkumar-hz8mn
    @Anandkumar-hz8mn 3 ปีที่แล้ว

    I'm about to use a 4 stroke motorcycle's tachometer in a two stroke. Four stroke tachometer considers one single pulse (from spark plug wire) as two rotations. So it will lead to wrong calibration. Now I want to convert two pulses into one, in order to get the right calibration from the Digital tachometer. What device should be used to convert the pulses into half the number ( per minute)? Thanks

    • @EngineeringFunda
      @EngineeringFunda  3 ปีที่แล้ว +2

      Many solutions like
      1. Frequency divider
      2. Counter

    • @Anandkumar-hz8mn
      @Anandkumar-hz8mn 3 ปีที่แล้ว +1

      @@EngineeringFunda thank you

  • @bandarikalyani3172
    @bandarikalyani3172 4 ปีที่แล้ว

    Why we are taking only sawtooth wave to compare with modulating signal to generate pwm wave

    • @EngineeringFunda
      @EngineeringFunda  4 ปีที่แล้ว +1

      Triggering accuracy will be high with sawtooth waves.

  • @rohitlohchab3921
    @rohitlohchab3921 5 ปีที่แล้ว +1

    Sir why don't u use monostable vibrator 555ic ,in book it is given

    • @EngineeringFunda
      @EngineeringFunda  5 ปีที่แล้ว +3

      Yes but at frequency in terms of 10 to 10 MHz , you cannot work with 555 timer IC.

  • @amlanchinya1370
    @amlanchinya1370 5 ปีที่แล้ว +1

    Sir is it correctly done??? I saw in a book the have taken triangle and then done in another way. Which one is correct?

    • @EngineeringFunda
      @EngineeringFunda  5 ปีที่แล้ว +1

      This is perfectly correct so don't worry

  • @suryatiwari2926
    @suryatiwari2926 ปีที่แล้ว

    Sir can we get a video on MSK .

  • @goto999chandu
    @goto999chandu 4 ปีที่แล้ว +1

    How voltage is varied using PWM

    • @darlasridevi7673
      @darlasridevi7673 2 ปีที่แล้ว

      yeah. that is exactly what I was thinking.. 😂

    • @Syed_vlogs_YT
      @Syed_vlogs_YT ปีที่แล้ว

      @@darlasridevi7673 by varying the Width of Pulses

  • @vibinkumar2856
    @vibinkumar2856 5 ปีที่แล้ว

    what we use clamper or negative clipper to obtain this output?

    • @amitbandyopadhyay208
      @amitbandyopadhyay208 5 ปีที่แล้ว +1

      exaclty....i think it will be a clipper circuit.....

    • @tejashvhavle
      @tejashvhavle 4 ปีที่แล้ว +1

      @@amitbandyopadhyay208Bandyopadhyay it is a negative clipper circuit...

  • @FandiIsana
    @FandiIsana หลายเดือนก่อน

    Sirr can you turn on the substitle

  • @johnstrangeman3296
    @johnstrangeman3296 3 ปีที่แล้ว +1

    okay dude we get it you are traceing trajectories...

  • @rahul_bhattacharyya
    @rahul_bhattacharyya 3 ปีที่แล้ว

    Where are the types of PWM?

  • @saideepak7169
    @saideepak7169 4 ปีที่แล้ว

    Pronunciation of sawtooth shoe tooth

  • @chaslewis3334
    @chaslewis3334 5 ปีที่แล้ว

    What is the duty cycle on here? And is the number of samples the switching frequency?

    • @vasuyadav2931
      @vasuyadav2931 4 ปีที่แล้ว

      The duty cycle isn't constant, it varies as the pulse width varies according to the instantaneous value of the modulating signal.

  • @divyanshchauhan5455
    @divyanshchauhan5455 4 ปีที่แล้ว

    I don't understand your method

  • @prabhsimran4824
    @prabhsimran4824 5 ปีที่แล้ว

    Pam?

    • @arunmk8349
      @arunmk8349 5 ปีที่แล้ว

      same as flat topped sampling concept

  • @user-vj5wd6wq1v
    @user-vj5wd6wq1v 4 ปีที่แล้ว

    ??????

  • @abhilashps7732
    @abhilashps7732 4 ปีที่แล้ว

    Diploma in electronics like here

  • @kalaimanim634
    @kalaimanim634 6 หลายเดือนก่อน

    Tamil explain pls

  • @rakshithak9997
    @rakshithak9997 4 ปีที่แล้ว

    Super

  • @Sohelkhan-st5mm
    @Sohelkhan-st5mm 4 ปีที่แล้ว

    Thanks sir

  • @arunmk8349
    @arunmk8349 5 ปีที่แล้ว +2

    thank you sir